<template>
  <div>
    <div class="emotion-box" :style="{height: height + 'px' }" >
      <div class="emotion-box-line" v-for="(line, i) in list" :key="i" >
        <emotion class="emotion-item" v-for="(item, i) in line" :key="i" @click.native="clickHandler(item)" >{{item}}</emotion>
      </div>
    </div>
  </div>
</template>

<script>
  import Emotion from './Emotion'
  export default {
    props: {
      height: {
        type: Number,
        default: 200,
      }
    },
    data () {
      return {
        list: [
          ['微笑', '撇嘴', '色', '发呆', '得意', '流泪', '害羞', '闭嘴'],
          ['睡', '大哭', '尴尬', '发怒', '调皮', '呲牙', '惊讶', '难过']
            ['酷', '冷汗', '抓狂', '吐', '偷笑', '可爱', '白眼', '傲慢'],
          ['饥饿', '困', '惊恐', '流汗', '憨笑', '大兵', '奋斗', '咒骂'],
          ['疑问', '嘘', '晕', '折磨', '衰', '骷髅', '敲打', '再见'],
          ['擦汗', '抠鼻', '鼓掌', '糗大了', '坏笑', '左哼哼', '右哼哼', '哈欠'],
          ['鄙视', '委屈', '快哭了', '阴险', '亲亲', '吓', '可怜', '菜刀'],
          ['西瓜', '啤酒', '篮球', '乒乓', '咖啡', '饭', '猪头', '玫瑰',],
          ['凋谢', '示爱', '爱心', '心碎', '蛋糕', '闪电', '炸弹', '刀'],
          ['足球', '瓢虫', '便便', '月亮', '太阳', '礼物', '拥抱', '强'],
          ['弱', '握手', '胜利', '抱拳', '勾引', '拳头', '差劲', '爱你'],
          ['NO', 'OK', '爱情', '飞吻', '跳跳', '发抖', '怄火', '转圈'],
          ['磕头', '回头', '跳绳', '挥手', '激动', '街舞', '左太极', '右太极'],
        ]
      }
    },
    methods: {
      clickHandler (i) {
        let emotion = `#${i};`
        this.$emit('emotion', emotion)
      }
    },
    components: {
      Emotion
    }
  }
</script>
<style scoped>
  .emotion-box {
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    padding: 5px;
    border: 1px solid #b4b4b4;
    overflow: hidden;
    overflow-y: auto;
  }
  .emotion-box-line {
    display: flex;
  }
  .emotion-item {
    flex: 1;
    text-align: center;
    cursor: pointer;
  }
</style>
